The human heart has four valves, aortic, mitral, pulmonary and tricuspid that control blood flow. As they open and close, they make the noise known as a heartbeat.

Nov 6, 2025 · Fig 1 The four valves of the heart, visible with the atria and great vessels removed.

Feb 14, 2023 · The four valves of the heart prevent blood from flowing in the wrong direction, and open or close each time the heart beats. Learn more about them, here.

Nov 24, 2024 · This detailed anatomical illustration presents a cross-sectional view of the human heart, highlighting its major chambers, valves, and blood vessels through a modern, clear design.

Detailed anatomical description of the heart valves, including simple definitions and a labeled, full-color illustration.

May 6, 2025 · The heart contains four main valves that maintain unidirectional blood flow through its chambers and into the great vessels. These valves function...

Aug 10, 2025 · This diagram depicts Heart Valves and explains the details of Heart Valves. Heart Valves: The heart s four valves tricuspid, pulmonary, mitral, and aortic maintain unidirectional …